/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.kuali;

//import java.io.IOException;
//import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;

public class testServlet extends HttpServlet {
/*
    private void anotherTest() {
        FileWriter fileWriter = null;
        PrintWriter printWriter = null;
        try {
            fileWriter = new FileWriter("C:/Users/Saeed/Downloads/MyTest.txt");
            printWriter = new PrintWriter(fileWriter);
            printWriter.println("what the hell");
            printWriter.close();

        } catch (IOException ex) {
            Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
    }*/

    private String readFile(String fileName) {
        FileInputStream fs = null;
        String outString = "";
        try {

            fs = new FileInputStream(fileName);
            DataInputStream in = new DataInputStream(fs);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String str;
            while ((str = br.readLine()) != null) {
                outString += str;
            }

        } catch (IOException ex) {
            Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                fs.close();
            } catch (IOException ex) {
                Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
            }
            return outString;
        }
    }

    private void saveToFile(String contents, String fn) {
        FileWriter fstream = null;
        PrintWriter pw = null;
        try {
            fstream = new FileWriter("C:/Users/Saeed/Downloads/"+ fn);
            pw = new PrintWriter(fstream);
            pw.println(contents);
            pw.close();
        } catch (IOException ex) {
            Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            try {
                fstream.close();
            } catch (IOException ex) {
                Logger.getLogger(testServlet.class.getName()).log(Level.SEVERE, null, ex);
            }
        }

    }

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /*
             * TODO output your page here. You may use following sample code.
             */
            saveToFile(request.getParameter("kmdocument"), request.getParameter("fileName"));
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet testServlet</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet testServlet at " + request.getContextPath() + "</h1>");
            out.println("<h3>The text below is saved as a file named: "+request.getParameter("fileName")+"</h3>");
            out.println("<br/>");
            
            out.println(readFile("C:/Users/Saeed/Downloads/"+request.getParameter("fileName")));
            
            out.println("</body>");
            out.println("</html>");

         } finally {
            out.close();
            //save.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
